<template>
  <div class="login-container">
    <el-form
      class="login-form"
      ref="loginFromRef"
      :model="loginForm"
      :rules="loginRules"
    >
      <div class="title-container">
        <h3 class="title">{{ $t("msg.login.title") }}</h3>
        <lang-select class="lang-select" effect="light"></lang-select>
      </div>

      <el-form-item prop="userName">
        <span class="svg-container">
          <svg-icon icon="user" />
        </span>
        <el-input
          placeholder="userName"
          name="userName"
          type="text"
          v-model="loginForm.userName"
        />
      </el-form-item>

      <el-form-item prop="userPwd">
        <span class="svg-container">
          <svg-icon icon="password" />
        </span>
        <el-input
          placeholder="userPwd"
          name="userPwd"
          :type="passwordType"
          v-model="loginForm.userPwd"
        />
        <span class="show-pwd" @click="onChange">
          <svg-icon :icon="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        :loading="loading"
        @click="handleLogin"
        >{{ $t("msg.login.loginBtn") }}</el-button
      >

      <div class="tips" v-html="$t('msg.login.desc')"></div>
    </el-form>
  </div>
</template>

<script setup>
// 导入组件之后无需注册可直接使用
// getCurrentInstance 上下文对象
import { ref, getCurrentInstance } from "vue";
import { validatePassword } from "./rules";
import { useI18n } from "vue-i18n";
// 导入组件
import { useStore } from "vuex";
import LangSelect from "@/components/LangSelect";
import { useRouter } from "vue-router";
// 获取上下文proxy
const { $api } = getCurrentInstance().appContext.config.globalProperties;
// 数据源
const loginForm = ref({
  userName: "admin",
  userPwd: "admin",
});
// 验证规则
const i18n = useI18n();
// 验证规则
const loginRules = ref({
  userName: [
    {
      required: true,
      trigger: "blur",
      message: i18n.t("msg.login.usernameRule"),
    },
  ],
  userPwd: [
    {
      required: true,
      trigger: "blur",
      validator: validatePassword(),
    },
  ],
});
// 处理密码框文本显示状态
const passwordType = ref("password");
const onChange = () => {
  if (passwordType.value === "password") {
    passwordType.value = "text";
  } else {
    passwordType.value = "password";
  }
};
// 登录动作处理
const loading = ref(false);
const loginFromRef = ref(null);
const store = useStore();
const router = useRouter();
const handleLogin = () => {
  loginFromRef.value.validate((valid) => {
    if (!valid) return;
    loading.value = true;
    $api.login(loginForm.value).then((res) => {
      loading.value = false;
      store.commit("user/setToken", res.data.token);
      store.commit("user/setUserInfo", res.data);
      // 登录后操作
      router.push("/");
    });
  });
};
</script>


<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
$cursor: #fff;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;

    ::v-deep .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }

    ::v-deep .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        caret-color: $cursor;
      }
    }
  }

  .tips {
    font-size: 16px;
    line-height: 28px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }

    ::v-deep .lang-select {
      position: absolute;
      top: 4px;
      right: 0;
      background-color: white;
      font-size: 22px;
      padding: 4px;
      border-radius: 4px;
      cursor: pointer;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>